Villee, C. A. (1972). Biology (Sixth edition.). Saunders.
Chicago Style (17th ed.) CitationVillee, Claude Alvin. Biology. Sixth edition. Philadelphia: Saunders, 1972.
MLA (9th ed.) CitationVillee, Claude Alvin. Biology. Sixth edition. Saunders, 1972.
Warning: These citations may not always be 100% accurate.